| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 10.82 | 199108280_WAS_CIN |
| Tom Glavine | ATL | 9.24 | 199108280_NYN_ATL |
| Tom Candiotti | TOR | 6.81 | 199108280_TOR_BAL |
| Jose Rijo | CIN | 4.64 | 199108290_WAS_CIN |
| Mike Morgan | LAN | 4.63 | 199108290_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stewart | OAK | -4.91 | 199108280_BOS_OAK |
| Wade Taylor | NYA | -3.65 | 199108280_TEX_NYA |
| Don August | MIL | -2.05 | 199108270_MIL_SEA |
| Ben McDonald | BAL | -1.58 | 199108280_TOR_BAL |
| John Smoltz | ATL | -1.15 | 199108290_NYN_ATL |
Based on accumulated WAA for this season up to 1991-08-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.31 | Tom Glavine | 197.7 | ATL |
| +003+ | 7.14 | Dennis Martinez | 195.3 | WAS |
| +005+ | 7.09 | Tom Candiotti | 195.7 | TOT |
| +007+ | 6.61 | Roger Clemens | 205.3 | BOS |
| +012+ | 5.81 | Pete Harnisch | 178.7 | HOU |
| +015+ | 5.27 | Jose Rijo | 157.3 | CIN |
| +016+ | 5.02 | Mike Morgan | 185.7 | LAN |
| +018+ | 4.87 | Tim Belcher | 168 | LAN |
| +019+ | 4.86 | Jose DeLeon | 157 | SLN |
| +021+ | 4.73 | Jim Abbott | 192 | ANA |
| +025+ | 4.57 | Kevin Tapani | 195.7 | MIN |
| +030+ | 4.2 | Ramon Martinez | 181.3 | LAN |
| +045+ | 3.78 | Randy Tomlin | 130 | PIT |
| +048+ | 3.6 | Jimmy Key | 167.7 | TOR |
| +050+ | 3.53 | Bruce Hurst | 201 | SDN |
| +055+ | 3.44 | Greg Swindell | 194 | CLE |
| +058+ | 3.39 | Bret Saberhagen | 154.3 | KCA |
| +059+ | 3.38 | Doug Drabek | 185 | PIT |
| +061+ | 3.32 | Mark Langston | 195 | ANA |
| +068+ | 3.08 | Greg Harris | 81.7 | SDN |
| +069+ | 3 | Zane Smith | 174 | PIT |
| +072+ | 2.94 | Tommy Greene | 161.7 | PHI |
| +073+ | 2.91 | Jack McDowell | 209.3 | CHA |
| +074+ | 2.77 | Mike Moore | 155.3 | OAK |
| +075+ | 2.77 | Scott Erickson | 162.3 | MIN |
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